Finding the Fourth Proportional to 71,757,074.84, 107,651,309.96 and 23,239,833.05
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Solution
The fourth proportional to 71,757,074.84, 107,651,309.96 and 23,239,833.05 is: 34,864,833.57
Step by Step Solution
- Step 1: Write the proportion equation
71,757,074.84 : 107,651,309.96 = 23,239,833.05 : x - Step 2: Convert to fraction form
71,757,074.84/107,651,309.96 = 23,239,833.05/x - Step 3: Cross multiply
71,757,074.84x = 107,651,309.96 × 23,239,833.05 - Step 4: Simplify right side
71,757,074.84x = 2,501,798,471,411,430 - Step 5: Solve for x
x = 2,501,798,471,411,430/71,757,074.84 - Step 6: Final answer
x = 34,864,833.57
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.